10091609 has 8 divisors (see below), whose sum is σ = 11074752. Its totient is φ = 9119440.

The previous prime is 10091597. The next prime is 10091629. The reversal of 10091609 is 90619001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10091609 - 2¹² = 10087513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10091629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749 + ... + 4554.

It is an arithmetic number, because the mean of its divisors is an integer number (1384344).

Almost surely, 2^10091609 is an apocalyptic number.

It is an amenable number.

10091609 is a deficient number, since it is larger than the sum of its proper divisors (983143).

10091609 is a wasteful number, since it uses less digits than its factorization.

10091609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 10091609 is about 3176.7292928419. The cubic root of 10091609 is about 216.0993555832.

The spelling of 10091609 in words is "ten million, ninety-one thousand, six hundred nine".